. >> romney is trying to put rick santorum behind him... >> ron paul got more than 40% of the vote... >> one of his aides once told me that when mitt romney gets locked in, when he gets focused and locked in, watch out. this guy is so goal-oriented, and once he has something that he wants, he doesn't stop until he gets it. >> narrator: to win the primaries, he even stopped talking about his signature achievement: romneycare. >> if we want to get rid of obamacare, we're going to have to replace president obama. my mission is to make sure we do exactly that. >> in this political market, romney's health care plan is a loser, or seems that way to him. even though it's his biggest achievement as governor, one of the biggest achievements of his life, really, if the politics aren't there or he's worried that the opposition is too great, he's not talking about it. >> what does mitt romney believe? >> is he truly a conservative? >> not exactly a person of conviction, not even close. >> what type of values does he actually believe in? >> he has been, "i'll be where the market needs me to be." a